In the diagram above, PQ is parallel to RS. What is the value of α + β + γ?
-
360o
- 200o
- 180o
- 90o
The correct answer is: A
Explanation
S = 180 - γ
α + P = 180(Allied angles)
p = 180 - α
β = P + S
β = 180 - α + 180 - γ
β = 360 - α - γ
β + α + γ = 360